package com.yzh.pinboard.utils;

import android.content.Context;
import android.content.res.Resources;
import android.util.DisplayMetrics;
import android.view.WindowManager;

public class DensityUtil {

    /**
     * 根据手机的分辨率从 dp 的单位 转成为 px(像素)
     */
    public static int dip2px(Context context, float dpValue) {
        final float scale = context.getResources().getDisplayMetrics().density;
        return (int) (dpValue * scale + 0.5f);
    }

    /**
     * 根据手机的分辨率从 px(像素) 的单位 转成为 dp
     */
    public static int px2dip(Context context, float pxValue) {
        final float scale = context.getResources().getDisplayMetrics().density;
        return (int) (pxValue / scale + 0.5f);
    }

    public static int getScreenWidth(Context context) {
        WindowManager wm = (WindowManager) context
                .getSystemService(Context.WINDOW_SERVICE);
        DisplayMetrics outMetrics = new DisplayMetrics();
        wm.getDefaultDisplay().getMetrics(outMetrics);
        return outMetrics.widthPixels;
    }

    public static int getScreenHeight(Context context) {
        WindowManager wm = (WindowManager) context
                .getSystemService(Context.WINDOW_SERVICE);
        DisplayMetrics outMetrics = new DisplayMetrics();
        wm.getDefaultDisplay().getMetrics(outMetrics);
        return outMetrics.heightPixels;

    }


//    public static int getStatusBarHeight(Context context) {
//        Class<?> c = null;
//        Object obj = null;
//        Field field = null;
//        int x = 0;
//        try {
//            c = Class.forName("com.android.internal.R$dimen");
//            obj = c.newInstance();
//            field = c.getField("status_bar_height");
//            x = Integer.parseInt(field.get(obj).toString());
//            return context.getResources().getDimensionPixelSize(x);
//        } catch (Exception e1) {
//            e1.printStackTrace();
//            return 75;
//        }
//    }

    public static int getStatusBarHeight(Context context) {
        Resources resources = context.getResources();
        int resourceId = resources.getIdentifier("status_bar_height", "dimen", "android");
        return resources.getDimensionPixelSize(resourceId);
    }

    public static int getNavigationBarHeight(Context context) {
        Resources resources = context.getResources();
        int resourceId = resources.getIdentifier("navigation_bar_height", "dimen", "android");
        return resources.getDimensionPixelSize(resourceId);
    }
}